#include <iostream>
#include <vector>
#include <cmath>
using namespace std;


class Solution {
public:
    int jumpFloorII(int number) {
        int r = 1;
        for (int i = 1; i < number; i++) {
            r *= 2;
        }
        return r;
    }
};

int main() {
    cout << Solution().jumpFloorII(1) << endl;
    cout << Solution().jumpFloorII(2) << endl;
    cout << Solution().jumpFloorII(3) << endl;
    cout << Solution().jumpFloorII(4) << endl;
    cout << Solution().jumpFloorII(5) << endl;
    cout << Solution().jumpFloorII(6) << endl;
    return 0;
}